Q85

Consider the $B^{+}$ tree in the adjoining figure, where each node has at most two keys and three links.

Keys $K15$ and then $K25$ are inserted into this tree in that order. Now the key $K50$ is deleted from the $B^+$ tree resulting after the two insertions made earlier. Consider the following statements about the $B^+$ tree resulting after this deletion. Which one of the following options is true? Statements (i) and (ii) are true Statements (ii) and (iii) are true Statements (iii) and (i) are true All the statements are false